US PATENT SUBCLASS 239 / 474
.~.~ Annular egress outlet formed between whirler and casing

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

461  DF  FLOW DEFLECTING OR ROTATION CONTROLLING MEANS {9}
463  DF  .~ Fluid rotation inducing means upstream of outlet {12}
474.~.~ Annular egress outlet formed between whirler and casing {1}
475  DF  .~.~.~> And centrally ported whirler

DEFINITION

Classification: 239/474

(under subclass 463) Apparatus in which the egress opening is an annulus formed between the whirling means and the surrounding fluid conducting shell or casing.